/**
 * @param {number} radius
 * @param {number} xCenter
 * @param {number} yCenter
 * @param {number} x1
 * @param {number} y1
 * @param {number} x2
 * @param {number} y2
 * @return {boolean}
 */
var checkOverlap = function (radius, xCenter, yCenter, x1, y1, x2, y2) {
  if (x1 > (xCenter + radius) || x2 < (xCenter - radius) || y1 > (yCenter + radius) || y2 < (yCenter - radius) ) {
    return false
  }
  return true
};
